Inventions What plaything was invented by Joe McVicker in 1956? Play-Doh Etch-A-Sketch Silly Putty Lite-Brite Play-Doh Etch-A-Sketch Silly Putty Lite-Brite ANSWER DOWNLOAD EXAMIANS APP
Inventions Who was the first American female to patent her invention, a method of weaving straw with silk? Margaret Knight Marjorie Joyner Mary Kies Amanda Jones Margaret Knight Marjorie Joyner Mary Kies Amanda Jones ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Gramophone? Sir Alexander Graham Bell Thomas Alva Edison Fahrenheit Michael Faraday Sir Alexander Graham Bell Thomas Alva Edison Fahrenheit Michael Faraday ANSWER DOWNLOAD EXAMIANS APP
Inventions What furniture item was invented by California furniture designer Charles Prior Hall in 1968? Hammock Sofa bed Captain's chair Waterbed Hammock Sofa bed Captain's chair Waterbed ANSWER DOWNLOAD EXAMIANS APP
Inventions The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Project? Vannevar Bush Leslie R. Groves James B. Conant Robert Oppenheimer Vannevar Bush Leslie R. Groves James B. Conant Robert Oppenheimer ANSWER DOWNLOAD EXAMIANS APP
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